Ions and Their Charges

The video tutorial introduces ions, explaining the difference between atoms and ions. It covers the formation of cations and anions, detailing how atoms gain or lose electrons to form ions. The tutorial also explains how to calculate the number of electrons in ions and discusses the periodic table's role in determining ion charges. Key elements like silver and zinc are highlighted for memorization.

What is the primary difference between atoms and ions?

• Atoms have a charge, ions do not.

• Atoms contain more electrons than ions.

• Atoms are neutral, ions have a charge.

• Atoms are larger than ions.

Which type of elements typically form cations?

• Non-metals

• Metalloids

• Metals

• Noble gases

How is a magnesium ion named when it loses two electrons?

• Magnesium ion

• Magnesium anion

• Magnesium cation

• Magnesiumide

What is the charge of an anion that gains one electron?

• Plus one

• Minus one

• Plus two

• Minus two

How do you name an anion formed from chlorine?

• Chlorine ion

• Chlorate

• Chlorium

• Chloride

If a potassium ion has a plus one charge, how many electrons does it have?

• 17

• 20

• 18

• 19

What is the electron count for a nitride ion with a 3 minus charge?

• 4

• 10

• 13

• 7

Which group in the periodic table forms ions with a plus one charge?

• Group 1

• Group 13

• Group 2

• Group 17

What charge does zinc typically form as an ion?

• Minus two

• Minus one

• Plus two

• Plus one

Which of the following elements does not form ions?

• Helium

• Sodium

• Chlorine

• Magnesium